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Composite electrode plate for electrochemical reactor and manufacturing method thereof

A reactor and electrochemical technology, applied in the field of electrochemical engineering, can solve the problems of application limitation and inability to use one-time processing and molding, and achieve the effects of rapid processing method, good electrical conductivity, and easy batch processing.

Active Publication Date: 2013-07-10
国鸿氢能科技(嘉兴)股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this processing method can only process parallel fuel cell flow fields, which limits its application
Moreover, in addition to the gas flow channels on the fuel cell plate, there are also gas distribution pipes, sealing grooves, etc., which cannot be processed and formed at one time by this method.

Method used

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  • Composite electrode plate for electrochemical reactor and manufacturing method thereof

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Embodiment Construction

[0017] The present invention will be described in more detail below in conjunction with the accompanying drawings.

[0018] As shown in the accompanying drawings, the composite pole plate for electrochemical reactor includes a flow field plate 100, and the flow field plate 100 is a graphite pole plate with more than one parallel and straight-through flow field plate flow channel 101 on one plate surface or two plate surfaces. , the flow field plate 100 is embedded in the hollow frame of the pole plate frame 200, the outer surface of the flow field plate 100 is interference fit with the inner surface of the hollow frame of the pole plate frame 200, and the two ends of the flow field plate flow channel 101 The flow field distribution channels 208 on the plate surface of the pole plate frame 200 are connected one by one. 202. A combination of one or more of the oxidant inlet distribution pipe 203, the reducing agent outlet distribution pipe 204, the coolant outlet distribution pi...

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Abstract

The invention relates to a composite electrode plate for an electrochemical reactor and a manufacturing method thereof. The composite electrode plate comprises a flow field plate, wherein a graphite electrode plate with more than one parallel direct through flow field plate flow passage is arranged on one plate surface or two plate surfaces of the flow field plate, the flow field plate is inwardsembedded into a hollow frame body of an electrode plate side frame, the outer side surface of the flow field plate and the inner side surface of the hollow frame body of the electrode plate are in interference fit, the parallel straight through flow field required by the processing adopting a horizontal milling cutter is realized, the processing method is fast and is suitable for mass production,the yield is much higher than that of a molded plate, and simultaneously, good conductivity of the carved graphite plate is also realized. The electrode plate side frame can adopt plastics for injection molding processing, and the electrode plate with the simple parallel straight through flow field can be changed into various required flow fields through installing the flow field distribution flow passage on the electrode plate side frame. Fuel battery composite electrode plates manufactured by adopting the method have the advantages that the cost is low, the conductivity is good, the mass production is easy, and the like.

Description

technical field [0001] The invention belongs to the technical field of electrochemical engineering, and in particular relates to a composite polar plate for an electrochemical reactor and a manufacturing method thereof. Background technique [0002] A fuel cell is an electrochemical reactor that converts chemical energy in externally supplied fuel and oxidant into electrical energy. Because of its high power density and energy density, clean and efficient, and wide power range, fuel cells have broad application prospects in various fields such as micro power sources, mobile power sources, vehicle engines, and stationary power stations, so they have received extensive attention from countries all over the world. The United States, Japan, Canada, and European countries are actively developing fuel cell technology. At present, almost all major automakers in the world are developing fuel cell electric vehicles. [0003] In a fuel cell, the plate is a very important component. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M8/02H01M8/0258
CPCY02E60/50Y02P70/50
Inventor 刘志祥王诚毛宗强
Owner 国鸿氢能科技(嘉兴)股份有限公司
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